Amazon.com: Active Stylus Pen for Lenovo ThinkPad X1 Tablet Gen 2, Touch-Control and Type-C Rechargeable Digital Pen for Lenovo ThinkPad X1 Tablet Gen 2,Good at Sketching and Note-Taking White Drawing Stylus :
Amazon.com: Lenovo 4X80H34887 ThinkPad Active Capacitive Pen, Stylus, Black : Cell Phones & Accessories
Curious case of Lenovo's newest Active Pen — Surface Pro Artist